APA (7th ed.) Citation

Denton, F. T., Pineo, P. C., & Spencer, B. G. (1991). The demographics of employment.

Chicago Style (17th ed.) Citation

Denton, Frank T., Peter C. Pineo, and Byron G. Spencer. The Demographics of Employment. Montreal, Québec, 1991.

MLA (9th ed.) Citation

Denton, Frank T., et al. The Demographics of Employment. 1991.